Use of Depth Cameras for Film
Depth cameras bring many advantages for film production and post production. The most advanced of them is the Lytro Cinema, which is way too expensive for the consumer market yet. For now it is only an option for productions with a very high budget, while Lytro’s light field cameras for photo have become quite affordable.
The first big advantage is the possibility of focussing after taking the shot. That does not only mean, that the production team can pay more attention to the most important things, it also means more flexibility in the post production.
Furthermore, there is no need for green screen technology anymore. Masking of any kind can now be done using the depth information, which makes the chroma green obsolete for changing for example the background of a scene.
Another benefit is the possibility of manipulating the 3D position of the camera in post. This way a simple shot on a tripod can be used to generate a clip with a bit of camera motion with correct parallax.
The last and probably biggest addition light field cameras can add to post production is the expansion of possibilities for VFX artists. One example for this would be to digitally add new light sources, which would then throw realistic shadows and influence the lighting of the real scene in a very natural way.